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Published on: August 28, 2020
Etiology and treatment of overactive bladder in women
Howard A Shaw1, Lara J Burrows
1Department of Obstetrics and Gynecology, St. Francis Hospital and Medical Center, Hartford, CT 06105, USA. hshaw@stfranciscare.org
Abstract:
Overactive bladder (OAB) is a condition that affects millions of women in the United States (US). Although the etiology is largely unknown, risk factors include Caucasian race, insulin-dependent diabetes mellitus, and history of depression. Patients present with urgency with or without urinary incontinence and often have urinary frequency and nocturia. Most patients can be evaluated in the office setting utilizing simple testing. Current treatments consist of behavioral/lifestyle modification, usually in combination with antimuscarinic drug therapy. Improvements in the adverse effect profiles of antimuscarinic drugs have positively impacted quality of life. When appropriately evaluated, most patients presenting to primary care providers can be effectively treated.
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The Micturition Reflex
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating urine...